China's scientific research ship returns to Sanya after mission(1/3)

China's scientific research ship Tansuo-1, carrying the deep-sea manned submersible Fendouzhe (Striver), arrives in Sanya, south China's Hainan Province, March 11, 2023. (Photo provided to China News Service)

China's scientific research ship Tansuo-1, carrying the deep-sea manned submersible Fendouzhe (Striver) arrived in Sanya, south China's Hainan Province on Saturday.

Photo taken on Feb. 8, 2023 shows a dumbo octopus spotted at 5,500 below sea level at the Diamantina Trench area during its first international manned deep-diving scientific research mission in waters of surrounding Oceania. (Photo provided to China News Service)

Photo taken on Feb. 8, 2023 shows a whale fall spotted at 5,600 below sea level at the Diamantina Trench area during its first international manned deep-diving scientific research mission in waters of surrounding Oceania. (Photo provided to China News Service)